Practical Applications of Ratios and Proportions

This lesson covers solving rate problems using unit rates. It includes activities on comparing deals and converting units for animal sprint distances. The lesson emphasizes understanding percentages, unit conversions, and applying these concepts to real-world scenarios. Students are given homework to reinforce these skills.

What percentage of the grid is shaded if 25 out of 100 squares are filled?

• 10%

• 25%

• 50%

• 75%

If a four-pack of water costs $3.16, what is the cost per bottle?

• $0.75

• $0.85

• $0.90

• $0.79

Which deal is better: 10 juice boxes for $3.50 or 6 for $2.40?

• Neither

• 10 for $3.50

• Both are the same

• 6 for $2.40

How many feet are in 1,408 yards?

• 3,520 feet

• 2,640 feet

• 4,224 feet

• 5,280 feet

Which animal covered the most distance in one minute?

• Ostrich

• Coyote

• Cougar

• Antelope

How much would a package with 18 slices cost if 11 slices cost $2.97?

• $4.50

• $5.00

• $5.40

• $4.86

How many copies can a machine print in 10 minutes if it prints 480 in 4 minutes?

• 1,800

• 1,200

• 2,400

• 3,000

Which is the heaviest: 9 tons, 1,000 pounds, or 5,500 kilograms?

• All are equal

• 5,500 kilograms

• 1,000 pounds

• 9 tons

Which job pays better: mowing a neighbor's lawn for $10 in half an hour or at the community center for $30 in 2 hours?

• Neighbor's lawn

• Community center

• Neither

• Both pay the same

What is the decimal form of 17 divided by 2?

• 8.0

• 8.25

• 9.0

• 8.5